WGM160P WSTK Platform
See Gecko OS Peripherals for commands, variables and procedures available to manage WGM160P GPIOs and peripherals.
WGM160P Peripheral Connections
The complete set of peripheral connections available are shown in the following table.
WGM160P PAD | Default Function | Gecko OS (GOS_GPIO_x) | UART (GOS_UART_x) | SPI (GOS_SPI_x) | I2C (GOS_I2C_x) | ADC (GOS_ADC_x) | PWM (GOS_PWM_x) | Ethernet (RMII) | EFM32GG11 Port | WSTK + BRD4321 | WSTK EXP Header |
---|---|---|---|---|---|---|---|---|---|---|---|
14 | GPIO | 0 | 0 | 0 | TXD1 | PE14 | EXP12 | ||||
15 | GPIO | 1 | - | 1 | TXD0 | PE15 | EXP14 | ||||
16 | SPI Master MOSI | 2 | SPI0 MOSI | 6 | 2 | TXEN | PA0 | EXP4 | |||
17 | SPI Master MISO | 3 | SPI0 MISO | - | 3 | RXD1 | PA1 | EXP6 | |||
18 | SPI Master CLK | 4 | SPI0 CLK | 10 | 4 | RXD0 | PA2 | EXP8 | |||
19 | GPIO | 5 | - | 5 | REFCLK | PA3 | EXP10 | ||||
20 | GPIO | 6 | 11 | 6 | CRSDV | PA4 | LED0 | EXP7 | |||
21 | GPIO | 7 | - | 7 | RXER | PA5 | LED1 | EXP9 | |||
22 | Bulk serial flash MOSI OR UART TX (Logging) | 8 | UART1 TX | SPI1 MOSI | - | 8 | PB3 | DISP_SI | EXP3 | ||
24 | Bulk serial flash MISO OR UART RX (Logging) | 9 | UART1 RX | SPI1 MISO | 12 | 9 | PB4 | SD_DAT0_MISO (SD card) | EXP5 | ||
25 | UART RTS (Commands) | 10 | UART0 RTS | - | 10 | PB5 | VCOM_RTS | ||||
26 | UART CTS (Commands) | 11 | UART0 CTS | 1 | 11 | PB6 | VCOM_CTS | ||||
28 | GPIO | 12 | - | - | PB13 | ||||||
29 | GPIO | 13 | 2 | - | PB14 | ||||||
31 | I2C Master SDA | 14 | I2C0 SDA | - | 12 | PB11 | SENSOR_SDA | EXP16 | |||
32 | I2C Master SCL | 15 | I2C0 SCL | 3 | 13 | PB12 | SENSOR_SCL | EXP15 | |||
35 | Factory Reset | 16 | UART1 CTS | 4 | 14 | PD6 | BUTTON0 | ||||
36 | GPIO | 17 | UART1 RTS | - | 15 | PD8 | BUTTON1 | ||||
37 | GPIO | 18 | 5 | 16 | PF2 | DBG_TDO_SWO | |||||
38 | GPIO | 19 | - | 17 | PF5 | DBG_TDI / SD_CD (SD Card) | |||||
39 | GPIO | 20 | - | 18 | PC5 | SD_CS(SD Card) | |||||
41 | USB DM | 21 | 7 | - | PF10 | ||||||
42 | USB DP | 22 | - | - | PF11 | ||||||
46 | UART TX (Commands) | 23 | UART0 TX | - | 19 | PE7 | VCOM_TX | ||||
47 | UART RX (Commands) | 24 | UART0 RX | 8 | 20 | PE6 | VCOM_RX | ||||
48 | GPIO | 25 | - | 21 | PE5 | DISP_ENABLE | |||||
49 | Bulk sflash SCLK | 26 | SPI1 CLK | - | 22 | PC4 | SD_CLK(SD Card) | ||||
50 | GPIO | 27 | 9 | 23 | MDC | PA6 | DISP_CS | EXP11 | |||
51 | GPIO | 28 | - | 24 | MDIO | PA15 | DISP_COM | EXP13 |
Data UART
The following GPIOs are assigned to the Command API data UART. It is not possible to configure them for output with the
gpio_dir
command.
- GPIO 23: UART0 TX
- GPIO 24: UART0 RX
WSTK Buttons and LEDs
On the Wireless Starter Kit, the following Gecko OS GPIOs are hardwired to the pushbuttons and LEDs:
- GPIO 6: LED 0
- GPIO 7: LED 1
- GPIO 16: Button 0
- GPIO 17: Button 1
WSTK Expansion header power pins
- EXP1: GND
- EXP18: 5V
- EXP20: 3V3
- EXP2: VMCU
PWM Limits
- Maximum frequency: 30000000
- Minimum frequency: 2